baber/WOPTO huggingface dataset:
Patent GB-503926-A (GB)
Title: Improvements in and connected with liquid bottling machines
IPC: B67C3/06
Filed: 1937-10-14
Abstract: 503,926. Bottling. WORSSAM & SON, Ltd., G. J., and FOX, D. P. S. Oct. 14, 1937, No. 27986. [Class 125 (ii)] In a counter-pressure liquid-bottling machine of the type in which a filling valve is opened after the counter-pressure charging of a bottle and closed after application of a levelling pressure, the air or gas displaced during filling is discharged through a pipe 20 into a pressure chamber 22 and thence through an adjustable release valve 29 to the atmosphere, pressure gas being admitted to the chamber 22 from the gas space of the filling tank 1 through a pipe 25 and valve 26 which prevents back-flow of (possibly contaminated) air or gas from the chamber to the tank. The valve 29 is adjusted to blow off at a predetermined pressure, froth collected in the tray 27 being blown off at the same time. A levelling pressure is applied to the liquid in the bottle after filling by connecting the space above the said liquid to a pressure bell 23 via pipe 21 (see Specification 457,312). The filling valve 16 is opened against spring action by a cam 17 on the rotary valve 12. When the liquid level in the tank 1 falls, a valve 7 controlled by the float 6 is opened and gas passes to a pressure-sensitive device 9 which opens the liquid valve 3a. When the valve 7 is closed the gas escapes from device 9 by a weep hole 10. Fig. 1 is a diagram illustrating the machine ; Fig. 2 shows a rotary machine embodying the principles thereof. In Fig. 2 the non-return valve 26 is a gravity-closed flap and the discharge end of the pipe 20 is closed by a nail valve 56. The pressure bell 23 is vertically adjustable so that the level to which the bottles are filled can be adjusted. Air supplied under pressure to the bell may escape via saw cuts 23a in the rim thereof when the pressure in the bell exceeds that corresponding to the water column h. Pressure from tank 1 to device 9 via pipe 8 is transmitted by glycerine contained in a pot 38. The annular tank 1 is encased in heat-insulating material such as solid sealed cork or waterproofed cork. The filling heads are supported independently of the tank so that the upthrust of the bottles is taken mainly by the support 37 and not by the tank. The filling heads and bottle lifts may be those described in Specifications 503,850 and 503,927 respectively.
Patent GB-263270-A (GB)
Title: An appliance for putting on socks and stockings
IPC: A47G25/90
Filed: 1925-11-07
Abstract: 263,270. Lawson, W. Nov. 7, 1925. Appliances for facilitating putting-on and taking-off garments that have to be passed over the feet, comprise a holding device or clip D attached to a long handle A. As shown, a U-shaped strap B is riveted to the handle and carries a button and loop clip for attachment to the garment. Socks, stockings, skirts, trousers, knickers, and the like may be put on by using the appliance.
Patent GB-431243-A (GB)
Title: Improvements in and relating to the automatic control of the power output of aircraft engines
IPC: F02D9/00
Filed: 1934-10-01
Abstract: 431,243. Spray carburetters ; regulating. SOC. DU CARBURATEUR STRATOS, (formerly SOC. DU CARBURATEUR BLERIOT), 43, Avenue de l'Opera, Paris. Oct. 1, 1934, No. 28102. Convention date, Sept. 30, 1933. Addition to 407,693. [Classes 7 (iii) and 7 (vi)] The regulating-means described in the parent Specification is modified for the purpose of automatically maintaining the pressure in the induction pipe of an aircraft engine at an amount which is correct for the engine when at a predetermined altitude, so as to prevent overchanging at lower levels. The controlling-member 8 described in the parent Specification is, according to the present invention, subjected on the left-hand side to the induction-pipe pressure through a connection 23, and also to the pressure of springs 22, and actuates a throttle valve 17 in the induction pipe, or in the inlet or outlet of a compressor, through members 19, 20. As in the parent Specification, the right-hand side of the piston 8 is subjected to the pressure of oil or other fluid, which is kept at a constant amount by a valve 13 controlling an inlet 12 and outlet 15 for the oil &c., and connected to a piston 2 acted on at the left-hand side by a partial vacuum transmitted from the carburetter 5 by a pipe 16, and on the right-hand side by atmospheric pressure. As the aircraft rises from lower levels, the piston 8 moves towards the left and gives a wider opening of the throttle valve 17. In modifications, the partial vacuum from the carburetter acting on the piston 2 is replaced by a pressure head of liquid or by spring pressure ; or two or more of these means may be used in conjunction. In another construction, Fig. 4, a compound piston device 8, 58 adjusts the quality of the mixture in the carburetter 52 by means of links 51, 54, 55, and the quantity supplied to the engine by links 43, 59 actuating a throttle valve 60.
Patent GB-754069-A (GB)
Title: Method of and apparatus for inserting flexible strips in containers
IPC: B65B61/20
Filed: 1954-09-30
Abstract: 754,069. Feeding sheets. BARTELT, H. L., and BARTELT, D. E. Sept. 30, 1954 [Oct. 1, 1953], No. 28198/54. Class 100 (1). [Also in Group XVII] Sheet-separating devices.-In a packaging- machine (see Group XVII) folded coupons 10 are separated in succession from a stack 9 by a blade 17 on a pivoted arm 19 which is oscillated by a cam-operated linkage 23. The stack is supported in a magazine 30 and urged to the left against a stop 31 by a plate 46 mounted on a carriage 47 which is provided with rollers 48 engaging a track 49 and is acted on by a weighted bell-crank lever 51. The plate 46 is retractible to allow replenishment of the stack, see Fig. 4 (not shown). The stop 31, Fig. 6, comprises members 35 and 43, which engage the free edge of the long leg 10b of the leading coupon, and arms 40 which straddle the path of the blade 17 and are formed with inclined ledges 36 which constitute an extension of the bottom of the magazine and restrain outward movement of the folded edge of the coupon so that its short leg 10a tends to swing outwardly into engagement with flanges 42. The leading coupon is thus positioned so that the blade 17 enters the fold. Specification 702,723, [Group XVII], is referred to.
Patent GB-1433438-A (GB)
Title: Sine wave generator
IPC: H03K4/94
Filed: 1974-06-26
Abstract: 1433438 Sine wave generator INTERNATIONAL BUSINESS MACHINES CORP 26 June 1974 [12 July 1973] 28243/74 Heading G4A A sine wave generator is arranged to synthesize digital samples of an alternating symmetric waveform consisting of straight lines and integrate the samples subtracting the integration constant from the integration result. As described the symmetric waveform is of trapezoid form. In the embodiment of Fig. 2 an address, representing the frequency F j  of the desired waveform is fed to a read only memory ROM. This results in an increment INJ, a correction factor IN<SP>1</SP>J and a constant C j  being fed to registers IN, COR and C respectively. At each cycle the value of the increment INJ is accummulated in an adder/register assembly # 1 , R1 so that the waveform of Fig. 1(a) is applied to logic circuitry LOG. This transforms the sawtooth signal to a trapezoidal wave as in Fig. 1(b) by (1) reflecting parts 1 and 4 of the waveform of Fig. 1A (by complementing when the two most significant bits of register R1 are 1, 0 and 0, 1) and (2) saturating when its inputs are <SP>2</SP>/ 3 rd the maximum amplitude of the triangular wave. The resulting wave is fed to adder # 2  together with a second trapezoidal wave generated by adder # 2  and register R2 under the control of the logic circuitry LOG with an increment of IN<SP>1</SP>J from register COR. This ensures that, for all frequencies, signals with the same amplitude are generated. The output of the adder # 3  is connected to an accumulator R3 the output of which is connected back to the adder # 3  so that the two trapezoidal signals are integrated to derive the waveform of Fig. 1(d). In adder # 4  the integration constant is added in to give the required output signal S (Fig. 1(e)). In a second-embodiment (Fig. 3, not shown) in which the computations are effected in a time multiplex manner, at time t 1  increment IN is fed via gate G1 to adder # where it is added to the contents of register S5 (initially set to - 1, registers S1-S4 being set to zero), the result being fed to register S1, the sign bit and highest bit being additionally fed via gate G3 to logic circuitry LOG1. At time t 2  LOG1 receives the contents of register S1 as it is transferred to S2 and after any necessary modification feeds them to register SO to generate the first sample of the waveform of Fig. 1(b). Simultaneously increment IN<SP>1</SP> is fed via gate G2 to the adder and register S1 to generate the correction waveform of the first sample of Fig. 1(c). At time t 3  the samples of the two trapezoidal waveforms are fed via gate G7 and gate G4 to the adder the result being fed to register S1. At time t 4  integration is effected by adding the contents of register S5 to the contents of register S1 and a time t 5  the constant C1 is added in, output gate P being enabled to feed out the computed sample.
Patent GB-228284-A (GB)
Title: Improvements in or relating to artificial limbs
IPC: A61F2/64
Filed: 1923-11-09
Abstract: 228,284. Blatchford, C. A., Blatchford, C. D., and Blatchford, W. A. Nov. 9, 1923. Hinge, pivot, and joint pins; disc and lilie plate hinges and pivots.-A joint for an artificial limb consists of a spindle f attached to straps i, j carried by one limb member b, rollers l surrounding the spindle and being enclosed in housings c secured bv rivets &c. e to the other limb member a. A screw k enters the open end of the spindle, and to prevent displacement of the latter straps i, are provided with screws n which enter notches in the screw k and spindle head h. The opposed bearing surfaces of the housing c and spindle f may be tapered and ball bearings may be used in conjunction with the rollers. Instead of a spindle f, a pair of pivot studs may be employed secured to one of the limb members. According to the Provisional Specification, the studs may be screwed into forked portions of the side straps on one of the limb members, the intermediate portion of each stud passing through a lug on a strap on the other limb member, rollers being located between the stud and lug.
Patent GB-898318-A (GB)
Title: New phthalocyanine dyes
Inventor: TARTTER ARNOLD
IPC: C09B62/18
Filed: 1960-08-16
Abstract: The invention comprises dyes of the formula <FORM:0898318/IV (c)/1> and the alkali-metal or ammonium salts thereof, wherein Pc is the radical of copper or nickel phthalocyanine or a copper phthalocyanine having 1 to 4 chlorine atoms or phenyl groups in the molecule, Z1 is hydrogen, chlorine, methyl or methoxy, Z2 is hydrogen, chlorine or a sulphonic acid radical, X is chlorine or bromine, m is a whole number from 0 to 5, n is an integer from 1 to 4 and (n+m) is an integer from 1 to 6.  The dyes are made by reacting a sulphonyl chloride of the formula [Pc-]-(SO2Cl)(m+n) with n mols of a compound of the formula <FORM:0898318/IV (c)/2> and hydrolysing the unreacted sulphochloride groups, or by reacting the above sulphochloride with n mols of a compound of the formula <FORM:0898318/IV (c)/3> and treating the reaction product with a mineral acid or by reacting a compound of the formula <FORM:0898318/IV (c)/4> with n mols of mucobromic or mucochloric acid in aqueous mineral acid solution.  The dyes dye and print wool, silk, synthetic linear polyamides and cellulose textile materials in blue and green shades, in the case of cellulose in conjunction with an alkali and heat treatment.
Patent GB-1282884-A (GB)
Title: Improvements in or relating to electro-magnetic wave transmission lines
Inventor: MILLER STEWART EDWARD
IPC: H01S5/10
Filed: 1969-06-05
Abstract: 1282884 Uses of luminescence WESTERN ELECTRIC CO Inc 5 June 1969 [7 June 1968] 28442/69 Heading C4S [Also in Division HI] A transmission line comprises a waveguide of dielectric material whose effective refractive index decreases outwardly from a maximum at the centre of the line and which hosts active laser material, the active material being pumped to amplify transmitted electromagnetic waves so that the overall attenuation in the line is small. The laser material with which the dielectric is doped may be uniformly distributed in the dielectric, or only along selected lengths thereof. Alternatively it may be confined to the regions of higher refractive index. Rare earths such as neodymium, holmium and thulium are suitable dopants. The pumping may be by spaced injection diodes, or by electro-luminescent material which may surround the dielectric at spaced intervals along its length or be incorporated into the dielectric either uniformly or in the regions of lower refractive index. The variation of refractive index in the dielectric may be uniform, or achieved in discrete steps by using two or more concentric cylinders of different refractive index. Alternatively, Fig. 6, an effective variation may be obtained by disposing a sheet 62 of dielectric containing the laser material across a tube 61, and twisting the sheet about the tube axis. In this case pumping may be by electroluminescent material distributed in the tube 61, or by injection diodes. Pumping sources.-In Fig. 2, a D.C. source is connected to a transparent electrode 22 and a reflecting electrode 25. Semi-conducting material 23, 24 forms a P-N junction which is thus forward biased and emits radiation. Gallium arsenic doped materials are suitable. In Fig. 3, an electroluminescent material surrounds part of the dielectric 30, and has electrodes 32, 33 connected to an excitation source 34 operating in the audio range. A suitable electroluminescent material is a solid solution of zinc and cadmium selenide with a copper dopant. In Fig. 4, zinc-mercury sulphide with traces of copper and chlorine is used as the electroluminescent material, and is suspended in castor oil in tubes 41 surrounded by electrodes 43, 44.
Patent GB-838818-A (GB)
Title: Improvements in electrical conductors and assembly thereof
IPC: C11D9/30
Filed: 1956-09-18
Abstract: In a printed circuit (see Group XXXVI) copper powder is sintered to copper foil to form a key.  Specification 725,115 is referred to.
Patent GB-1169467-A (GB)
Title: Gas Heater of the Overhead Type.
Inventor: WALLACE DONALD C
IPC: F24C3/00
Filed: 1967-06-20
Abstract: 1,169,467. Incandescent gas heaters. BARBER MFG. CO. 20 June, 1967, No. 28483/67. Headings F4B and F4W. An overhead gas heater comprises a burner head 7 with ports 10 directing flames radially on to a baffle plate 11 of matted fibrous refractory material forming a radiant. A central hole 15 in the bottom casing 4 admits secondary air. A plate 16 is spaced above the hole 15 by legs 17. The bottom casing and also the baffle plate may be dished.
Patent GB-647454-A (GB)
Title: Improvements in or relating to cramps
IPC: B25B5/10
Filed: 1948-11-03
Abstract: 647,454. Cramps. HAMPTON, Ltd., C. & J., and LAYCOCK, A. H. Nov. 3, 1948, No. 28485. [Class 61(ii)] In a sash cramp having a screw actuated tightening jaw 7 slidable along the bar 1 and an adjustable jaw 9 slidable on the bar and capable of being locked in any of a number of positions, the adjustable jaw is slotted at 10 to fit the sides of the bar and carries a detent pin 11 passing across the slot and engageable in notches on the lower edge of the bar. A spring-pressed plunger 20 having a rounded head 21 urges the jaw into its operative position, Fig. 3, in which the front face 13 of the jaw 9 is perpendicular to the bar 1.
Patent GB-1534923-A (GB)
Title: Line or edge follower
IPC: G06T1/00
Filed: 1976-07-08
Abstract: 1534923 Photo-electric line followers BOC Ltd 8 July 1977 [8 July 1976] 28549/76 Heading G1A A line follower comprises: a body 6 rotatable about an axis 12 and having at one end means 14, 16 to carry at least one source to illuminate an area of a surface 4 intersecting the axis 12 outside the body; means 20 for directing reflected light to scanning means 26, 24 for causing light to oscillate across a photo-detector 10; and means 60, 61 Fig. 3 for altering the source 62 output to cause the photo-detector 10 to produce a signal of chosen amplitude and polarity when a background surface is scanned, and for altering the photo-detector bias to cause it to produce a signal of equal amplitude but opposite polarity when a line area darker than the background is scanned. The scanning means preferably includes a mirror 24 carried on a Piezo-electric bender rod 26 mounted at an acute angle to the optical axis, which preferably is parallel to the rotational axis 12 but lies somewhat ahead of it in the linefollowing direction so as to provide a misalignment signal indicating incorrect orientation of the body 6. By adjustable means 22, 28, 30 carrying the lens 20, the optical axis may also be offset to one side of the rotational axis 12, to allow for e.g. the thickness of metal cut by a torch (not shown) carried by the line follower. The apparatus is effective wherever the reflectivity of the background is at least 1À5 times as great as that of the line to be followed.
Patent GB-1384798-A (GB)
IPC: G09F11/06
Filed: 1972-06-19
Abstract: 1384798 Display devices AUTOCUE Ltd 31 May 1973 [19 June 1972] 28550/72 Heading G5C In apparatus for selectively displaying cards in holders 3, each card-holder is pivotally attached to the periphery of drum 1 selectively rotatable step-wise about axis 2 by motor 16 and belts 17, 28 to bring a chosen card to a vertical position illuminated by lamps 5 where mirror 7 is rotatable to permit viewing by vidicon 6 or externally via mirror 11. Supplementary display matter on movable strip 24 may be similarly viewed using mirror 7. Each holder 3 is spring-urged to a datum position against a stop in the viewing position. Drum 1 has coding means co-operating with photoelectric sensors and light pipes 20 to enable control unit 22 to actuate motor 16 selectively in response to input from a console.
Patent GB-700916-A (GB)
Title: Process for the production of aliphatic ethers
Filed: 1950-11-22
Abstract: Aliphatic ethers are produced by passing an aliphatic monohydric alcohol at a temperature in the range 150-350 DEG C. and at a pressure in the range 1-30 kg. per sq. cm., over a catalyst supported on an inert carrier and comprising a metal or metals of the 8th group of the periodic system, or oxides of such metals, and an activator being an oxide of a metal of the 2nd or 4th group of the periodic system, the catalyst being reduced before use so that at least 50 per cent. of the metal or metals of the 8th group p  are in elementary form.  Iron, cobalt and nickel are particularly suitable metals of the 8th group and the activating metal oxides consist preferably of magnesium oxide, thorium oxide and calcium oxide.  Preferably super atmospheric pressure is used and the reaction is carried out in the liquid phase.  Formation of aldehydes may be inhibited by the addition of small quantities of hydrogen.  The reaction temperature is preferably in the range 150 DEG -275 DEG C.  In the examples (a) dipropyl ether and propionaldehyde are produced from propyl alcohol and (b) dibutyl ether and butylaldehyde are produced from butyl alcohol by the process of the invention.
Patent GB-504189-A (GB)
Title: Improvements in apparatus for lasting shoes
IPC: A43D21/12
Filed: 1937-10-20
Abstract: 504,189. Lasting shoes. BROOKES, N. E. (Northern Machine Co., Inc.) Oct. 20, 1937; No. 28594. [Class 17 (i)] For ironing down the wiped over margin of an upper, e.g. after lasting in a bed-lasting machine, a pair of pressing members 1, 2, hinged together at their toe end, and urged apart by springs 26 are provided with grooves 10 having surfaces 11, 12 adapted to be engaged by the wipers, so that on downward and inward movement of the wipers, the pressing members are caused to exert a wiping and tensioning action on the upper margin. The appliance is provided with a handle 23 down which pass electric leads 25 to heating resistances 14. The springs are threaded over the ends of a member 20 passing freely through apertures in ears 17, 18 upstanding from the pressing members. Specifications 412,198 and 470,643 are referred to.
Patent GB-815627-A (GB)
Title: Improvements in or relating to shear mechanism for glass feeders
Inventor: LAMB HAROLD NORMAN
IPC: C03B7/10
Filed: 1956-09-19
Abstract: 815,627. Glass manufacture. BRITISH HARTFORD-FAIRMONT Ltd. Sept. 19, 1957 [Sept. 19, 1956], No. 28653/56. Class 56. In a double shear mechanism for simultaneously shearing two gobs of glass emerging from adjacent orifices 14, 15 in the forehearth, means are provided for adjusting the positions of the four shear blades when the orifices are not along the general line of symmetry of the arms 1, 2 operating the blades. The blades 10 .... 13 are mounted on the arms by bolts 23, 26 extending through brackets 19 secured to the blades, the heads of the bolts engaging in, and being lockable by nuts 25, 31 at any position along, T-section undercut grooves 21 in slideways 20 carried by the arms 1, 2. The heads and necks of the bolts 26 are eccentric to their shanks which are provided with squared ends 32 by which the angular positions of the brackets 19 can also be adjusted. The slideway 20 of the blade 10 is fixed relatively to its arm 1; those of the blades 11 and 13 are formed in flats on cylindrical blocks 33 rockable about their axes, which are parallel to the slideways or transverse to the arm 2, between half-bearings 34. The blocks have wings 35, 36 by which the blocks may be held in the desired angular position by screws 37. The slideway of the bracket of the blade 12 is formed in a flat of a cylindrical block 38 rockable about its axis, which is substantially a prolongation of the arm 1, and held in the desired position by screws 42 engaging wings 40, 41 on the block 38.
Patent GB-851456-A (GB)
Title: Improvements relating to a.c. bridges
Inventor: BAKER WILLIAM PERCIVAL
IPC: G01R17/00
Filed: 1957-09-11
Abstract: 851,456. Dielectric loss measurements. METROPOLITAN-VICKERS ELECTRICAL CO. Ltd. Sept. 1, 1958 [Sept. 11, 1957], No. 28672/57. Class 37 In an A.C. bridge comprising ratio arms constituted by tightly coupled coils 3, 4, Fig. 3 of which 3 is adjustable for balance, and in which phase equality between the currents in the arms is obtained by an adjustable shunt, preferably an R.C. combination, there is provided a further coil 6, in series with coil 4 and its shunt, having half the number of turns of the shunted coil and wound in the opposite sense. The Specification shows that this arrangement makes the magnitude of the resultant ampereturns of coils 4, 6 independent of the phase of the current in coil 4. As shown, the bridge is connected for measuring the loss angle of a capacitor C1, C2 being a known capacitance, and the loss angle # being given by the relation tan #=wCR.